AR010394A1 - REACTIVE TEST STRIP, MULTIPLE LAYERS, TO MEASURE THE ANALYTE CONCENTRATION IN A BIOLOGICAL FLUID SAMPLE APPLIED TO THE STRIP AND METHOD FOR MEASURING AN ANALYTE CONCENTRATION IN A BIOLOGICAL FLUID SAMPLE. - Google Patents

REACTIVE TEST STRIP, MULTIPLE LAYERS, TO MEASURE THE ANALYTE CONCENTRATION IN A BIOLOGICAL FLUID SAMPLE APPLIED TO THE STRIP AND METHOD FOR MEASURING AN ANALYTE CONCENTRATION IN A BIOLOGICAL FLUID SAMPLE.

Info

Publication number
AR010394A1
AR010394A1 ARP970106280A ARP970106280A AR010394A1 AR 010394 A1 AR010394 A1 AR 010394A1 AR P970106280 A ARP970106280 A AR P970106280A AR P970106280 A ARP970106280 A AR P970106280A AR 010394 A1 AR010394 A1 AR 010394A1
Authority
AR
Argentina
Prior art keywords
areas
strip
analyte concentration
fluid sample
sample
Prior art date
Application number
ARP970106280A
Other languages
Spanish (es)
Original Assignee
Lifescan Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lifescan Inc filed Critical Lifescan Inc
Publication of AR010394A1 publication Critical patent/AR010394A1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/66—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood sugars, e.g. galactose
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/54—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving glucose or galactose
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/52—Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper and including single- and multilayer analytical elements
    • G01N33/521—Single-layer analytical elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/52—Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper and including single- and multilayer analytical elements
    • G01N33/521—Single-layer analytical elements
    • G01N33/523—Single-layer analytical elements the element being adapted for a specific analyte
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/52—Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper and including single- and multilayer analytical elements
    • G01N33/525—Multi-layer analytical elements
    • G01N33/526—Multi-layer analytical elements the element being adapted for a specific analyte
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/558—Immunoassay; Biospecific binding assay; Materials therefor using diffusion or migration of antigen or antibody

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Hematology (AREA)
  • Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Urology & Nephrology (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Cell Biology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Zoology (AREA)
  • Biophysics (AREA)
  • Emergency Medicine (AREA)
  • Diabetes (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)

Abstract

Una tira de prueba reactiva, de capas multiples, mide la concentracion de analito en una muestra de líquido que se le aplica. Las capas de la tiraincluyen una capa inferior con un agujero pasante para aceptar la muestra. El reactivo, el cual típicamente incluye una enzima que es específica para elanalito, está contenido en una capa de membrana. Una capa intermedia situada entre las cargas inferior y de membrana, guía la muestra a varias áreas deanálisis dispuestas a lo largo de la tira,e n donde el analito puede reaccionar con un reactivo para provocar un cambio de color. Cada área de análisis incluyetambién un inhibidor para la reaccion de cambio de color tal como ácido ascorbico. La concentracion del inhibidor aumenta en ár easde análisissucesivas, de tal manera,el numero de áreas que cambia de color en una medicion de la concentracion de analito. La tira de prueba está adaptada particularmentepara medir glucosa en una muestra de sangre entera. En una modalidad preferida, la muestra es guiada hasta las áreas de análisis a lo largo de una trayectoria formada por áreas seleccionadas aplastadas en una membrana, y las áreas de análisis son áreas no aplastadas de la membrana.A multi-layered test strip measures the concentration of analyte in a sample of liquid applied to it. The layers of the strip include a bottom layer with a through hole to accept the sample. The reagent, which typically includes an enzyme that is specific for the analyte, is contained in a membrane layer. An intermediate layer located between the bottom and membrane charges guides the sample to various analysis areas arranged along the strip, where the analyte can react with a reagent to cause a color change. Each area of analysis also includes an inhibitor for the color change reaction such as ascorbic acid. The concentration of the inhibitor increases in areas of successive analysis, such that the number of areas changes color in a measurement of the analyte concentration. The test strip is particularly adapted to measure glucose in a whole blood sample. In a preferred embodiment, the sample is guided to the analysis areas along a path made up of selected areas crushed in a membrane, and the analysis areas are uncrushed areas of the membrane.

ARP970106280A 1996-12-31 1997-12-30 REACTIVE TEST STRIP, MULTIPLE LAYERS, TO MEASURE THE ANALYTE CONCENTRATION IN A BIOLOGICAL FLUID SAMPLE APPLIED TO THE STRIP AND METHOD FOR MEASURING AN ANALYTE CONCENTRATION IN A BIOLOGICAL FLUID SAMPLE. AR010394A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/779,735 US5843691A (en) 1993-05-15 1996-12-31 Visually-readable reagent test strip

Publications (1)

Publication Number Publication Date
AR010394A1 true AR010394A1 (en) 2000-06-07

Family

ID=25117371

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP970106280A AR010394A1 (en) 1996-12-31 1997-12-30 REACTIVE TEST STRIP, MULTIPLE LAYERS, TO MEASURE THE ANALYTE CONCENTRATION IN A BIOLOGICAL FLUID SAMPLE APPLIED TO THE STRIP AND METHOD FOR MEASURING AN ANALYTE CONCENTRATION IN A BIOLOGICAL FLUID SAMPLE.

Country Status (28)

Country Link
US (1) US5843691A (en)
EP (1) EP0852336B1 (en)
JP (1) JPH10191995A (en)
KR (1) KR100496218B1 (en)
CN (1) CN1135388C (en)
AR (1) AR010394A1 (en)
AT (1) ATE264507T1 (en)
AU (1) AU744664B2 (en)
BR (1) BR9705636A (en)
CA (1) CA2226069A1 (en)
CZ (1) CZ296121B6 (en)
DE (1) DE69728637T2 (en)
DK (1) DK0852336T3 (en)
ES (1) ES2218647T3 (en)
HK (1) HK1009180A1 (en)
HU (1) HU224897B1 (en)
ID (1) ID19333A (en)
IL (1) IL122601A (en)
IS (1) IS2046B (en)
MY (1) MY117022A (en)
NO (1) NO976137L (en)
NZ (1) NZ329292A (en)
PL (1) PL189236B1 (en)
PT (1) PT852336E (en)
RU (1) RU2198406C2 (en)
SG (1) SG74031A1 (en)
TR (1) TR199701726A2 (en)
TW (1) TW538244B (en)

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